.custom-nav-content {
  position: relative;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  transition: all 0.4s ease-in-out;
  box-sizing: content-box;
  padding-bottom: 10rpx;
}
.custom-nav {
  display: flex;
  align-items: center;
  padding: 0 16rpx;
  position: relative;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  .back-button {  
    width: 44rpx; /* 按钮宽度 */
    height: 44rpx; /* 按钮高度 */
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .arrow-icon {
    width: 24rpx; /* 箭头图标宽度 */
    height: 24rpx; /* 箭头图标高度 */
  }
  .title {
    width: calc(100% - 70rpx);
    // border: 1rpx solid red;
  }
  .title-text {
    color: #333;
    margin-left: 10rpx; /* 标题与按钮间距 */
    color: #444444;
    font-size: 36rpx;
    font-family: 'PingFang SC';
    font-weight: 600;
    line-height: 50rpx;
  }
  
  .left-icon {
    font-size: 40rpx;
    color: #333;
  }
}
